Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

University of Colorado Boulder
Skills you'll gain: NoSQL, Data Warehousing, Database Management Systems, Database Architecture and Administration, Database Administration, Databases, Relational Databases, Database Design, Big Data, Data Processing, Transaction Processing, Data Security, Scalability
Build toward a degree
Beginner Ā· Course Ā· 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Cross-Functional Team Leadership, Team Leadership, Initiative and Leadership, Resilience, Strategic Leadership, Problem Solving, Leadership, Organizational Leadership, Video Production, Corporate Sustainability, Business Leadership, Diversity and Inclusion, Innovation, Critical Thinking and Problem Solving, Creative Problem-Solving, Adaptability, Collaboration
Beginner Ā· Course Ā· 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Transfer Learning, Embeddings, Model Evaluation, Convolutional Neural Networks, Data Preprocessing, Model Deployment
Intermediate Ā· Course Ā· 1 - 4 Weeks

Scrimba
Skills you'll gain: Javascript, Web Development, Angular, Vue.JS, Application Development, React.js, Web Applications, JSON, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Data Structures, Software Engineering, Functional Design, Computer Science
Intermediate Ā· Course Ā· 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Visualization Software, Scientific Visualization, Interactive Data Visualization, Geospatial Information and Technology, Data Presentation, Color Theory, Graphic and Visual Design, Data Visualization, Tree Maps, Visualization (Computer Graphics), Data Storytelling, Design Elements And Principles, Plot (Graphics), Data Literacy, Heat Maps, Computer Displays, Exploratory Data Analysis, Time Series Analysis and Forecasting, Data Mapping, Display Devices
Intermediate Ā· Specialization Ā· 3 - 6 Months

Board Infinity
Skills you'll gain: jQuery, Javascript, Web Applications
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Network Routers, Network Architecture, Networking Hardware, Network Administration, Computer Networking, TCP/IP, General Networking, Network Switches, Network Planning And Design, Command-Line Interface
Beginner Ā· Guided Project Ā· Less Than 2 Hours

Board Infinity
Skills you'll gain: Responsive Web Design, Restful API, User Interface (UI) Design, Application Programming Interface (API), Web Development Tools, Database Design, HTML and CSS, API Design, Front-End Web Development, MongoDB, Javascript, Postman API Platform, Bootstrap (Front-End Framework), React.js, UI Components, Ajax, Database Management, OAuth, Frontend Integration, Authentications
Intermediate Ā· Specialization Ā· 1 - 3 Months

Edureka
Skills you'll gain: Angular, TypeScript, Web Components, JavaScript Frameworks, UI Components, Web Development Tools, Web Applications, Front-End Web Development, Software Architecture, Command-Line Interface, Routing Protocols, Cascading Style Sheets (CSS), Service Oriented Architecture
Beginner Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Intrusion Detection and Prevention, Continuous Monitoring, Threat Management, Firewall, Incident Response, Network Security, Threat Detection, Network Monitoring, Information Systems Security, Infrastructure Security, Cybersecurity
Advanced Ā· Course Ā· 1 - 4 Weeks

Board Infinity
Skills you'll gain: Node.JS, Full-Stack Web Development, User Interface (UI), Application Deployment, MongoDB, Angular, Back-End Web Development, Front-End Web Development, User Interface (UI) Design, Web Design, Web Applications, JavaScript Frameworks, Restful API, Secure Coding, Authentications, Authorization (Computing), Scalability
Intermediate Ā· Course Ā· 1 - 4 Weeks

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Application Deployment, CI/CD, Application Lifecycle Management, Test Automation, Software Documentation, Application Performance Management, Microservices
Beginner Ā· Course Ā· 1 - 4 Weeks